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Text to Octal

Convert any text into three digit octal UTF-8 bytes with the separator you prefer.

Convert text to octal

No text converted yet.
Each byte becomes an octal value from 0 to 377, since one byte holds 256 values.

How to use the Text to Octal

  1. Type or paste the text you want to convert.
  2. Choose a separator and whether digits are padded to three.
  3. Copy the octal bytes with the Copy button.

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Frequently Asked Questions

Common questions about the free online text to octal.

Type or paste your text and each UTF-8 byte is shown as an octal number. Pick a separator, then copy the result with one click.
One byte holds 256 values, which is 400 in octal, so three digits cover every possible byte from 000 to 377.
It writes 101 instead of 101 as 0o101, which is the octal literal style used by Python, Ruby, JavaScript and many other languages.
Yes. Text is encoded as UTF-8 first, so accented letters produce two octal values and emoji produce four of them.
Yes. Paste the output into the Octal to Text tool and it rebuilds the original characters, including emoji and accents.
No. The conversion happens locally in your browser and nothing you type is sent to a server.
Both show bytes in a compact form. Hex uses sixteen symbols and octal uses eight, and octal is common in Unix file permissions.
There is no fixed limit. Large documents may be slower to convert because the work is done in your browser.

Last updated: October 10, 2026